TB10.1 Example Applications: examples/AppFramework/ssmanager/policies/swp/dummy_diskstatus

00001 // Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
-00002 // All rights reserved.
-00003 // This component and the accompanying materials are made available
-00004 // under the terms of "Eclipse Public License v1.0"
-00005 // which accompanies this distribution, and is available
-00006 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
-00007 //
-00008 // Initial Contributors:
-00009 // Nokia Corporation - initial contribution.
-00010 //
-00011 // Contributors:
-00012 //
-00013 // Description: A dummy disk status system wide property is provided to demonstrate
-00014 // the System State Manager framework.
-00015 //
-00016 
-00036 #include <ssm/ssmswppolicy.h>
-00037 #include <ssm/ssmcommandlist.h>
-00038 #include <ssm/ssmcommandlistresourcereader.h>
-00039 #include "dummy_diskstatus_swppolicy.h"
-00040 #include "dummy_diskstatus_swppolicy.hrh"
-00041 
-00045 _LIT(KCommandListPath, "z:\\private\\2000d75b\\ssmaeg\\swp_dummy_diskstatus\\");
-00046 
-00050 _LIT(KExamplePolicyPanic,"DummyDiskStatus");
-00051 
-00057 EXPORT_C MSsmSwpPolicy* CSsmDummyDiskStatusSwpPolicy::NewL()
-00058         {
-00059         CSsmDummyDiskStatusSwpPolicy* self = new (ELeave) CSsmDummyDiskStatusSwpPolicy;
-00060         CleanupStack::PushL(self);
-00061         self->ConstructL();
-00062         CleanupStack::Pop(self);
-00063         return self;
-00064         }
-00065 
-00069 CSsmDummyDiskStatusSwpPolicy::CSsmDummyDiskStatusSwpPolicy()
-00070         {
-00071         }
-00072 
-00076 CSsmDummyDiskStatusSwpPolicy::~CSsmDummyDiskStatusSwpPolicy()
-00077         {
-00078         iFs.Close();
-00079         delete iCommandListResourceReader;
-00080         }
-00081 
-00085 void CSsmDummyDiskStatusSwpPolicy::ConstructL()
-00086         {
-00087         User::LeaveIfError(iFs.Connect());
-00088         // create resource reader
-00089         iCommandListResourceReader = CSsmCommandListResourceReader::NewL(iFs, KCommandListPath(), *this);
-00090         }
-00091 
-00095 void CSsmDummyDiskStatusSwpPolicy::Initialize(TRequestStatus& aStatus)
-00096         {
-00097         __ASSERT_ALWAYS(iCommandListResourceReader, User::Panic(KExamplePolicyPanic, EInvalidResourceReader));
-00098         // initialise command list resource reader.
-00099         iCommandListResourceReader->Initialise(aStatus);
-00100         }
-00101 
-00105 void CSsmDummyDiskStatusSwpPolicy::InitializeCancel()
-00106         {
-00107         __ASSERT_ALWAYS(iCommandListResourceReader, User::Panic(KExamplePolicyPanic, EInvalidResourceReader));
-00108         iCommandListResourceReader->InitialiseCancel();
-00109         }
-00110 
-00116 void CSsmDummyDiskStatusSwpPolicy::Release()
-00117         {
-00118         delete this;
-00119         }
-00120 
-00129 MSsmSwpPolicy::TResponse CSsmDummyDiskStatusSwpPolicy::TransitionAllowed(const TSsmSwp& /*aSwp*/, const RMessagePtr2& /*aMessage*/)
-00130         {
-00131         TResponse response = EAllowed;
-00132         return response;
-00133         }
-00134 
-00141 void CSsmDummyDiskStatusSwpPolicy::PrepareCommandList(const TSsmSwp& aSwp, TRequestStatus& aStatus)
-00142         {
-00143         __ASSERT_ALWAYS(iCommandListResourceReader, User::Panic(KExamplePolicyPanic, EInvalidResourceReader));
-00144         // Build the command list for this value from a resource 
-00145         iCommandListResourceReader->PrepareCommandList(aSwp.Value(), aSwp, aStatus);
-00146         }
-00147 
-00152 void CSsmDummyDiskStatusSwpPolicy::PrepareCommandListCancel()
-00153         {
-00154         __ASSERT_ALWAYS(iCommandListResourceReader, User::Panic(KExamplePolicyPanic, EInvalidResourceReader));
-00155         iCommandListResourceReader->PrepareCommandListCancel();
-00156         }
-00157 
-00164 CSsmCommandList* CSsmDummyDiskStatusSwpPolicy::CommandList()
-00165         {       
-00166         __ASSERT_ALWAYS(iCommandListResourceReader, User::Panic(KExamplePolicyPanic, EInvalidResourceReader));
-00167         return iCommandListResourceReader->GetCommandList();
-00168         }
-00169 
-00178 void CSsmDummyDiskStatusSwpPolicy::HandleCleReturnValue(const TSsmSwp& /*aSwp*/, TInt /*aError*/, TInt /*aSeverity*/, TRequestStatus& aStatus)
-00179         {
-00180         /*
-00181         This function is going to handle the return value. Even an reported error is treated as 
-00182         a successful API request. The request always needs to be completed with KErrNone.
-00183         */
-00184         TRequestStatus* rs = &aStatus;
-00185         User::RequestComplete(rs, KErrNone);
-00186         }
-00187 
-00192 void CSsmDummyDiskStatusSwpPolicy::HandleCleReturnValueCancel()
-00193         {
-00194         // Nothing to do as HandleCleReturnValue always completes immediately
-00195         }
-00196 
-00207 TBool CSsmDummyDiskStatusSwpPolicy::ConditionalCommandAllowedL(CResourceFile& /*aResourceFile*/, TInt /*aResourceId*/)
-00208         {
-00209         return EFalse; // command list does not contain commands that have conditions, so return EFalse
-00210         }
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examples/AppFramework/ssmanager/policies/swp/dummy_diskstatus_swppolicy.cpp
